What are two possible ways to achieve this goal?

You have a computer that runs Windows 7. The computer is in a workgroup. You need to ensure that you can decrypt Encrypting File System (EFS) files on the computer if you forget your password. What are two possible ways to achieve this goal? (Each correct answer presents a complete solution. Choose two.)

A.
From Credential Manager, select Back up vault.

B.
From User Accounts, select Create a password reset disk.

C.
From User Accounts, select Manage your file encryption certificates.

D.
From Authorization Manager, modify the Authorization Manager options.

Explanation:
Password reset disks
It is not unusual for users to forget their passwords to local user accounts from time to time, especially when they use strong passwords. Before the advent of password reset disks, the only way for administrators to restore a forgotten local user account password was to manually reset the user’s password. In the process, the following information was lost:
* E-mail that was encrypted with the user’s public key
* Internet passwords that were saved on the computer
* Files that the user had encrypted
Password reset disks offer another solution to the problem of a forgotten password for a local user account. If users create password reset disks for their local accounts before they forget their passwords, they can reset the passwords without losing valuable data that was lost previously with administrative password resets.
When you create a password reset disk, a public key and private key pair are created. The private key is stored on a disk: the password reset disk. The public key encrypts the local user account password. If users forget their passwords, they can insert the password reset disk, which contains the private key, and decrypt the current password. The Forgotten Password Wizard prompts the user for a new password, which is then encrypted with the public key. Data is not lost because, basically, the user is simply changing a password. It is essential that password reset disks be stored in secured locations.
Back up your Encryption Certificate
1. Open User Accounts by clicking the Start button, clicking Control Panel, clicking User Accounts and Family Safety (or clicking User Accounts, if you are connected to a network domain), and then clicking User Accounts.
2. In the left pane, click Manage your file encryption certificates.
3. In the Encrypting File System wizard, click Next.
4. Click Use this certificate, and then click Next.
If you need more details to identify the certificate that is listed, click View certificate. If you want to choose a different certificate, click Select certificate, and then click the certificate you want to back up.
5. Click Back up the certificate and key now.
6. Type or navigate to the location where you want to store the backup. We recommend that you store the backup on removable media such as a disc or USB flash drive.
7. Type and then confirm a password for the backup file, and then click Next. We recommend that you protect the backup file with a strong password.
8. Select the I’ll update my encrypted files later check box, and then click Next.